Book digitized by Google from the library of Oxford University and uploaded to the Internet Archive by user tpb.
Author's presentation copy to Prof. A. Weber
October 7, 2012
another copy with Glossary and Index
Another copy on archive.org has a Glossary (38 pages) and an Index (16 pages). The copy on the present page is certainly without a Glossary, and probably without an Index. (I have not checked.)
title: Handbuch der altiranischen Dialekte (“Handbook of Old-Iranian Dialects”).